Tookapic was launched as a platform to help users to “develop a habit of daily photo taking in a fun and addictive way”. The habit is gamified where users will be awarded with points and badges. Users are also able to share their images for reuse. The stock photos section of the website presents the pictures shared by the community. As of November 2015, there are more than 14,000 stock photos uploaded with 66% free for download. Users can search or browse by different categories.

Wikimedia Commons is a “media file repository” of public domain and freely-licensed educational media content, including images, sounds and video clips. Launched on 7 September 2004 by the Wikimedia Foundation, Wikimedia Commons uses the “wiki-technology” that is the same technology used in Wikipedia. Wikmedia Commons also aggregates files from other projects, including Wikipedia, Wikibooks, Wikivoyage, Wikispecies, Wikisource, and Wikinews. As of October 2015, there are more than 28.7 million files in more than 120,000 collections. Users can conduct a keyword search or browse the content by topic, type, author, location, license and source.

Divvy Pixel curates public domain images from various sources. Images provided on their main site and online galleries are on public domain and can be used personally or commercially. Users can browse and download the images individually or all at once.

Pixabay is a photo community that provides images on public domain. The site contains curated images contributed by photographers around the world. As of September 2015, there are more than 470,000 photographs, vectors and illustrations. Users can search by keywords or browse by various categories.

Developed and designed by food photographer, Jakub Kapusnak, FoodieFeed is “a resource of free high resolution food pictures available to download and use on your website, blog, in your presentation, your website template, WP demo, in design project for your client or just anywhere else”. Users can search by keywords or browse by different categories.

Display is “a curated collection of important modern, mid 20th century graphic design books, periodicals, advertisements and ephemera”. Developed by Kind Company, a web and print design agency based in New York, the intention was to spread awareness of Graphic Design as “a source of educational, historical and scholarly analysis for teachers, students, designers and independent researchers”. Images from Display are digitised from original items within the collection.

Founded by a startup based in Switzerland, PLiXS is a database of free high resolution images. As of August 2015, there are close to 3,400 images, contributed by photographers around the world. Users can search or filter their search by photo filters and categories.

Skitterphoto provides photographs that are taken by three photographers based in Groningen, The Netherlands. Since the platform launched in 2014, a photo is uploaded every single day. Users can search or browse by categories.

From vectors to PSD files, icons and stock photos, Freepik provides resources for graphic and web design. As of August 2015, the site has received more than 440 million downloads. Developed by “a team of designers, developers, professionals of marketing, communication and administration” based in Spain, Freepik offers two types of content: free and exclusive graphic resources by Freepik, and graphic resources belonging to others. Users can search or browse by categories.

ISO Republic provides exclusive stock images for creatives. It is founded in 2014 by English photographer and designer, Tom Eversley. The mission is to “provide high-quality images to be used by designers, developers, bloggers, marketers and social media teams”.

Developed by German web developers, Pexels provided handpicked stock photos from free image sources, such as Unsplash and Gratisography. To date, there are over 3,000 images that are on Creative Commons zero (CC0) license. Users can search or browse the images.